US Bridges

County Highway over Rock Creek

Good

Otoe County, Nebraska · 6.5E Lorton · Structure no. C006606115

Built
2017
8 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Concrete
Length
100 ft
3 main spans
Daily traffic
60
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Rock Creek is a concrete stringer/multi-beam or girder carrying County Highway over Rock Creek in Otoe County, Nebraska. It was built in 2017, so it is 8 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, projected to reach 102 by 2033. The structure is 100 ft (30.5 m) long and 29 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesCounty Highway
CrossesRock Creek
Location6.5E Lorton
RouteCounty Highway 61
CountyOtoe County
StateNebraska
Coordinates40.5976, -95.8965
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span34 ft (10.4 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2003)
Projected traffic102 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Rock Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is County Highway over Rock Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does County Highway over Rock Creek carry?

About 60 vehicles per day (2003 count).

How long is County Highway over Rock Creek?

The structure is 100 ft (30.5 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.

Who owns County Highway over Rock Creek?

It is owned by the County Highway Agency.